通过s3从gradle maven依赖项获得的未解析引用

I try to publish a library to a private S3 maven repository. The upload is guarded by a password, but for download the library is open for public. The aar file uploads without issues (along with pom/md5/sha1) and I can see it in my S3 bucket, download it and even manually add this aar as dependency to my project. However when I load this dependency like this:I try to publish a library to a private S3 mave